LMNA (基因名), Prelamin-A/C (蛋白名), lmna_pig.
通用注释
亚单元:
Homodimer of lamin A and lamin C. Interacts with lamin-associated polypeptides IA, IB and TMPO-alpha, RB1 and with emerin. Interacts with SREBF1, SREBF2, SUN1, SUN2 and TMEM43. Interacts with TMEM201. Proteolytically processed isoform A interacts with NARF. Prelamin-A/C interacts with EMD. Interacts with MLIP; may regulate MLIP localization to the nucleus envelope. Interacts with DMPK; may regulate nuclear envelope stability Interacts with SUV39H1; the interaction increases stability of SUV39H1.
功能:
Prelamin-A/C can accelerate smooth muscle cell senescence. It acts to disrupt mitosis and induce DNA damage in vascular smooth muscle cells (VSMCs), leading to mitotic failure, genomic instability, and premature senescence.
亚细胞位置:
Nucleus
Nucleus envelope
Nucleus lamina
Nucleus
Nucleoplasm
Farnesylation of prelamin-A/C facilitates nuclear envelope targeting and subsequent cleaveage by ZMPSTE24/FACE1 to remove the farnesyl group produces mature lamin-A/C, which can then be inserted into the nuclear lamina. EMD is required for proper localization of non-farnesylated prelamin-A/C (By similarity).
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